Home / 83,330.11-114,992.72-47,531.71

Finding the Fourth Proportional to 83,330.11, 114,992.72 and 47,531.71

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Solution

The fourth proportional to 83,330.11, 114,992.72 and 47,531.71 is: 65,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,330.11 : 114,992.72 = 47,531.71 : x
  2. Step 2: Convert to fraction form
    83,330.11/114,992.72 = 47,531.71/x
  3. Step 3: Cross multiply
    83,330.11x = 114,992.72 × 47,531.71
  4. Step 4: Simplify right side
    83,330.11x = 5,465,800,381.49
  5. Step 5: Solve for x
    x = 5,465,800,381.49/83,330.11
  6. Step 6: Final answer
    x = 65,592.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.